Movie PlotMy Kingdom aka Da wu sheng (orginal title) is the movie that tell of the 19th century, Prince Qing Dynasty ordered to execute the entire Klan Meng. Before the cut, Klan Meng leader vowed that his family will return demand justice. Awaiting his death, a five years Klan Meng child old named Erkui sing an aria. The strength and purity of her voice touches opera star, Master Yu and Guan Yilong student who was seven years old. Master Yu rescue both boys who later became brothers.Years later, Master Yu won the gold agreement "Strongest Warrior" from Prince, but lost when a duel with his rival, Master Yue. Expelled from the stages of loss, Master Yu spent to train the two brothers in the village. As they mature, they went to Shanghai to seek revenge. Did they beat the Master Yue?